Stereo Sound, Ultra-low sound, with SD/MMC, U disc reader(Maximum support to 2G),mp3 format music can be played

 Speaker’s functional parameter

Output: RMS 6W(3W+3W)THD=10%
Frequency response: 150-18000HZ
Signal and noise ratio of power amplifier:≧80dB
Loud speaker: 2.0 inch (external diameter 50mm) magnetic resistant 50hms

 Technical Specification:
Input: 5.0V
Output: 3.7V * 1000MA
Built-in rechargeable Li-ion Battery
 Attention:

Please do not over-charge the batteries for more than 3 hours.
Do not charge the batteries when in use
 

Attribute
[EXPANSION CARD]	SD card,MMC Card
[SUPPORT AUDIO FILE]	MP3 WMA
[Built-in rechargeable Li-ion Batt]	YES